EP0805565A3 - Système de communication â spectre étalé pour communications à grande vitesse - Google Patents

Système de communication â spectre étalé pour communications à grande vitesse Download PDF

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Publication number
EP0805565A3
EP0805565A3 EP97107204A EP97107204A EP0805565A3 EP 0805565 A3 EP0805565 A3 EP 0805565A3 EP 97107204 A EP97107204 A EP 97107204A EP 97107204 A EP97107204 A EP 97107204A EP 0805565 A3 EP0805565 A3 EP 0805565A3
Authority
EP
European Patent Office
Prior art keywords
elements
spread spectrum
communications
data
transmitted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97107204A
Other languages
German (de)
English (en)
Other versions
EP0805565A2 (fr
Inventor
Changming c/o Yozan Inc. Yozan Building. Zhou
Guoliang c/o Yozan Inc. Yozan Building. Shou
Xuping c/o Yozan Inc. Yozan Building. Zhou
Makoto c/o Yozan Inc. Yozan Building. Yamamoto
Kenzo c/o KOKUSAI ELECTRIC CO. LTD. Urabe
Sunao c/o Yozan Inc. Yozan Building. Takatori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Denki Electric Inc
Original Assignee
Kokusai Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kokusai Electric Co Ltd filed Critical Kokusai Electric Co Ltd
Publication of EP0805565A2 publication Critical patent/EP0805565A2/fr
Publication of EP0805565A3 publication Critical patent/EP0805565A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0077—Multicode, e.g. multiple codes assigned to one user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
EP97107204A 1996-04-30 1997-04-30 Système de communication â spectre étalé pour communications à grande vitesse Withdrawn EP0805565A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8132886A JPH09298490A (ja) 1996-04-30 1996-04-30 スペクトル拡散通信方式
JP13288696 1996-04-30
JP132886/96 1996-04-30

Publications (2)

Publication Number Publication Date
EP0805565A2 EP0805565A2 (fr) 1997-11-05
EP0805565A3 true EP0805565A3 (fr) 2002-01-30

Family

ID=15091860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107204A Withdrawn EP0805565A3 (fr) 1996-04-30 1997-04-30 Système de communication â spectre étalé pour communications à grande vitesse

Country Status (5)

Country Link
US (1) US5930290A (fr)
EP (1) EP0805565A3 (fr)
JP (1) JPH09298490A (fr)
KR (1) KR970072739A (fr)
CN (1) CN1095255C (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3283210B2 (ja) * 1997-05-30 2002-05-20 株式会社鷹山 スペクトラム拡散通信方式における信号受信装置
EP1065819A4 (fr) * 1998-02-17 2004-07-21 Root Inc Equipement et procede de radiocommunication
JP3328593B2 (ja) * 1998-02-25 2002-09-24 株式会社鷹山 マッチドフィルタおよび信号受信装置
US6081822A (en) * 1998-03-11 2000-06-27 Agilent Technologies, Inc. Approximating signal power and noise power in a system
JP3856261B2 (ja) * 1998-03-18 2006-12-13 ソニー株式会社 同期検出装置
JP3116923B2 (ja) 1998-11-25 2000-12-11 日本電気株式会社 周波数拡散変調回路
FR2794314B1 (fr) 1999-05-31 2004-12-24 Korea Electronics Telecomm Dispositif et procede de modulation d'un message de donnees en utilisant des codes de facteur d'etalement variable orthogonal (ovsf) dans un systeme de telecommunications du service mobile
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
US7965794B2 (en) 2000-05-05 2011-06-21 Greenwich Technologies Associates Method and apparatus for broadcasting with spatially diverse signals
US6823021B1 (en) * 2000-10-27 2004-11-23 Greenwich Technologies Associates Method and apparatus for space division multiple access receiver
AU2001261188A1 (en) * 2000-05-05 2001-11-20 Greenwich Technologies Associates Remote sensing using rayleigh signaling
DE10158738A1 (de) * 2001-11-30 2003-07-03 Systemonic Ag Verfahren und Anordnung zur Dekodierung spreizspektrumkodierter Signale
US7447254B1 (en) * 2004-03-25 2008-11-04 Cypress Semiconductor Corp. Self-correlating pseudo-noise pairing
DE102004059940A1 (de) * 2004-12-13 2006-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signalkonvertierer zum Konvertieren eines Startsignals in ein Endsignal und Verfahren zum Konvertieren eines Startsignals in ein Endsignal
CN107819719B (zh) 2004-12-23 2020-12-25 韩国电子通信研究院 用于发送和接收数据以提供高速数据通信的设备及方法
JP4907133B2 (ja) * 2005-08-08 2012-03-28 三星電子株式会社 無線通信システム及び無線通信方法並びに通信装置
US7756194B1 (en) 2005-11-04 2010-07-13 Cypress Semiconductor Corporation Circuit and method for decoding code phase modulated signals
US7796694B1 (en) 2005-11-04 2010-09-14 Cypress Semiconductor Corporation Circuit and method or encoding DSSS signals
US7639726B1 (en) * 2009-03-20 2009-12-29 On-Ramp Wireless, Inc. Downlink communication
CN101894274A (zh) * 2010-06-03 2010-11-24 江苏如意通动漫产业有限公司 基于拓扑关系的复杂序列图形匹配系统及其实现方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622920A1 (fr) * 1993-04-30 1994-11-02 Canon Kabushiki Kaisha Récepteur à spectre étalé
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
JPH07123025A (ja) * 1993-10-22 1995-05-12 Nec Corp 無線データ通信装置
JPH07170210A (ja) * 1993-12-16 1995-07-04 Nec Corp スペクトラム拡散変復調方法及びそれを用いた変調器・ 復調器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273632A (ja) * 1991-02-28 1992-09-29 Nippon Hoso Kyokai <Nhk> スペクトラム拡散通信方式
KR950003474B1 (ko) * 1992-03-31 1995-04-13 삼성전자 주식회사 송신 pn부호를 가지는 스펙트럼 확산 다원 접속 방식
US5581547A (en) * 1993-03-05 1996-12-03 Ntt Mobile Communications Network Inc. Random access communication method by CDMA and mobile station equipment using the same
JP2993554B2 (ja) * 1994-05-12 1999-12-20 エヌ・ティ・ティ移動通信網株式会社 送信電力制御法および前記送信電力制御法を用いた通信装置
US5717713A (en) * 1994-11-18 1998-02-10 Stanford Telecommunications, Inc. Technique to permit rapid acquisition and alert channel signalling for base station-to-user link of an orthogonal CDMA (OCDMA) communication system
DE69633882T2 (de) * 1995-02-20 2005-11-03 Canon K.K. Spreizspektrumübertragungsgerät
JPH0993162A (ja) * 1995-09-28 1997-04-04 Mitsubishi Materials Corp スペクトラム拡散通信装置
US5793798A (en) * 1995-12-18 1998-08-11 Ail Systems, Inc. Virtual beam system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622920A1 (fr) * 1993-04-30 1994-11-02 Canon Kabushiki Kaisha Récepteur à spectre étalé
JPH07123025A (ja) * 1993-10-22 1995-05-12 Nec Corp 無線データ通信装置
US5625639A (en) * 1993-10-22 1997-04-29 Nec Corporation Spread spectrum method for transmitting an information signal as a radio signal at a high speed
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
JPH07170210A (ja) * 1993-12-16 1995-07-04 Nec Corp スペクトラム拡散変復調方法及びそれを用いた変調器・ 復調器
US5583884A (en) * 1993-12-16 1996-12-10 Nec Corporation Spread spectrum modulation and demodulation systems which accelerate data rate without increasing multilevel indexing of primary modulation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 10 30 November 1995 (1995-11-30) *

Also Published As

Publication number Publication date
JPH09298490A (ja) 1997-11-18
KR970072739A (ko) 1997-11-07
CN1168035A (zh) 1997-12-17
CN1095255C (zh) 2002-11-27
EP0805565A2 (fr) 1997-11-05
US5930290A (en) 1999-07-27

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